【正文】 design to the square one work preface in the first sure the total structure form of molding tool first in the molding tool the design the set up wrong type falls to anticipate blunt bore pound a down to make sure a row the project of the kind and chose the model number of pressure making sure according to the parameter of pressure machine the lunt press the assemble process of molding tool with blunt familiar problem, output reason for mold to try blunt and adjust process is to the analytical research that the spare parts39。s value, but is applied to industry in great quantities to produce press an automatically send of the molding tool to anticipate a technique to also throw in actual production, blunt press a molding tool can consumedly raise a labor production efficiency, ease a worker burden, have important meaning and economy of the technique progress value.This text introduced the electricity cabinet fan cover hull of blunt press a craft with among them the molding tool of a certain work preface contents first according to as to it39。對沖壓模具的設(shè)計充分利用了機械壓力機的功用特點，在室溫的條件下對坯件進行沖壓成形，生產(chǎn)效率提高，經(jīng)濟效益顯著。詳細(xì)闡述了本沖壓模具的裝配過程和沖模試沖時常見的問題、產(chǎn)生的原因及調(diào)整方法。從而設(shè)計出了相應(yīng)的落料沖孔復(fù)合模來加工產(chǎn)品的第一步工序。接下來確定了卸料裝置：采用彈簧彈性元件進行卸料。根據(jù)壓力機的參數(shù)確定了模架的結(jié)構(gòu)為：中間導(dǎo)柱模架。下面進行了模具結(jié)構(gòu)的設(shè)計：首先確定出了落料凹模的輪廓尺寸，然后根據(jù)落料凹模的輪廓尺寸確定出了凸模固定板和墊板的輪廓尺寸。接下來確定了排樣的方案和選擇了壓力機的型號。并對第一個方案中的第一步工序做了模具設(shè)計。本文介紹了燈罩殼的沖壓工藝和其中第一個個工序的模具設(shè)計。燈罩殼沖壓及其模具設(shè)計摘　要：沖壓模具在實際工業(yè)生產(chǎn)中的應(yīng)用廣泛。在傳統(tǒng)的工業(yè)生產(chǎn)中，工人生產(chǎn)的勞動強度大、勞動量大，嚴(yán)重影響生產(chǎn)效率，采用模具生產(chǎn)制品及零件，具有生產(chǎn)效率高，節(jié)約原材料，成本低廉，保證質(zhì)量等一系列優(yōu)點，是現(xiàn)在工業(yè)生產(chǎn)的重要手段和主要發(fā)展方向。其內(nèi)容首先是根據(jù)燈罩殼的結(jié)構(gòu)對其制定了沖壓工藝過程：本文分析了三種方案，分別對其進行了優(yōu)缺點的分析，確定了第一個方案為理想的方案。在模具設(shè)計過程中首先確定了模具的總體結(jié)構(gòu)形式：倒裝式落料沖孔復(fù)合模。根據(jù)零件圖上的數(shù)據(jù)和尺寸公差確定了沖裁刃口的尺寸。凸模固定板和墊板的外形尺寸通常與凹模的一致，厚度是根據(jù)凹模的厚度以相應(yīng)的比例選取。接著選用了相應(yīng)的模柄和導(dǎo)柱。最后根據(jù)模具的大體的結(jié)構(gòu)形狀，確定了沖孔凸模的輪廓尺寸。并編寫了部分主要零件的工藝加工過程。經(jīng)過對該零件結(jié)構(gòu)及使用要求的分析研究，該方法為理想的設(shè)計方法。關(guān)鍵詞：沖壓工藝；結(jié)構(gòu)設(shè)計；模具設(shè)計The lampshade hull is blunt to press and its molding tool designAbstract:Blunt press a molding tool an application is extensive in the physically industrial the tradition of the industry the production, the worker produce of labor strength big, labor to have great capacity, serious influence produce the exaltation of with nowadays technological development, the industry produce medium the usage of molding tool has already more and more caused people39。s the structure of the fan cover hull drew up blunt press craft text analyzed four kinds of projects and distinguish as to it39。 structure and the usage request and that method is an ideal design blunt pressed the design of molding tool to well make use of machine pressure the effect characteristics of the machine, carry on to the Pi piece under the condition of indoor temperature blunt press to take shape, produce an efficiency an exaltation, the economic performance shows Zhao.Keyword: press process；structure design；molding tool design緒　論一、模具的發(fā)展現(xiàn)狀改革開放以來，隨著國民經(jīng)濟的高速發(fā)展，市場對模具的需求量不斷增長。浙江寧波和黃巖地區(qū)的“模具之鄉(xiāng)”；廣東一些大集團公司和迅速崛起的鄉(xiāng)鎮(zhèn)企業(yè)，科龍、美的、康佳等集團紛紛建立了自己的模具制造中心；中外合資和外商獨資的模具企業(yè)現(xiàn)已有幾千家。近年來，外資對我國模具行業(yè)投入量增大，工業(yè)發(fā)達國家將模具向我國轉(zhuǎn)移的趨勢進一步明朗化，這代表著我國模具行業(yè)迎來新一輪的發(fā)展機遇，也代表著面臨國外先進技術(shù)和高品質(zhì)制品的挑戰(zhàn)。據(jù)權(quán)威報告，中國已成為第一制造大國。但設(shè)計制造水平在總體上要比工業(yè)發(fā)達國家落后許多。其中中低檔模具供過于求，中高檔模具自配率不足60%。我國模具生產(chǎn)廠點中多數(shù)是自產(chǎn)自配的工模具車間（分廠），專業(yè)模具廠也大多數(shù)是“大而全”“小而全”的組織形式。國內(nèi)模具總量中屬大型、精密、復(fù)雜、長壽命模具的比例只有30%左右。：1；，為凈進口量最大的國家。產(chǎn)品水平低主要表現(xiàn)在精度、型腔表面粗糙度、壽命及模具的復(fù)雜程度；工藝水平低主要表現(xiàn)在設(shè)計、加工、工藝裝備等方面。我國模具企業(yè)技術(shù)人員比例較低，水平也較低。我國每個職工平均每年創(chuàng)造模具產(chǎn)值約合1萬美元左右，而模具工業(yè)發(fā)達國家大多是1520萬美元，有的甚至達到2530萬美元。 5）模具標(biāo)準(zhǔn)化水平和模具標(biāo)準(zhǔn)件使用覆蓋率低。6）與國際先進水平相比，模具企業(yè)的管理落后更甚于技術(shù)落后。國內(nèi)大多數(shù)模具企業(yè)還沿用過去作坊式管理模式。（參看張立鋒《“十五”期間我國模具行業(yè)發(fā)展現(xiàn)狀》，）二、沖壓的概念、特點及應(yīng)用沖壓是利用安裝在沖壓設(shè)備上的模具對材料施加壓力，使其產(chǎn)生分離或塑性變形，從而獲得所需零件的一種壓力加工方法。沖壓是材料壓力加工或塑性加工的主